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feat(ui): add selection support to TreeView (R5)

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This commit is contained in:
Joseph Doherty
2026-03-23 02:26:09 -04:00
parent 75648c0c76
commit da4f29f6ee
2 changed files with 108 additions and 16 deletions
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21
src/ScadaLink.CentralUI/Components/Shared/TreeView.razor
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@@ -26,17 +26,18 @@ else
var isExpanded = _expandedKeys.Contains(key);
<li role="treeitem" @key="key"
aria-expanded="@(isBranch ? (isExpanded ? "true" : "false") : null)">
<div class="tv-row" style="padding-left: @(depth * IndentPx)px">
aria-expanded="@(isBranch ? (isExpanded ? "true" : "false") : null)"
aria-selected="@(Selectable && SelectedKey != null && SelectedKey.Equals(key) ? "true" : null)">
<div class="tv-row @(Selectable && SelectedKey != null && SelectedKey.Equals(key) ? SelectedCssClass : "")" style="padding-left: @(depth * IndentPx)px">
@if (isBranch)
{
<span class="tv-toggle" @onclick="() => ToggleExpand(key)">@(isExpanded ? "\u2212" : "+")</span>
<span class="tv-toggle" @onclick="() => ToggleExpand(key)" @onclick:stopPropagation>@(isExpanded ? "\u2212" : "+")</span>
}
else
{
<span class="tv-spacer"></span>
}
<span class="tv-content">
<span class="tv-content" @onclick="() => OnContentClick(key)" @onclick:stopPropagation>
@NodeContent(item)
</span>
</div>
@@ -67,6 +68,10 @@ else
[Parameter] public int IndentPx { get; set; } = 24;
[Parameter] public bool ShowGuideLines { get; set; } = true;
[Parameter] public Func<TItem, bool>? InitiallyExpanded { get; set; }
[Parameter] public bool Selectable { get; set; }
[Parameter] public object? SelectedKey { get; set; }
[Parameter] public EventCallback<object?> SelectedKeyChanged { get; set; }
[Parameter] public string SelectedCssClass { get; set; } = "bg-primary bg-opacity-10";
protected override void OnParametersSet()
{
@@ -103,4 +108,12 @@ else
_expandedKeys.Add(key);
}
}
private async Task OnContentClick(object key)
{
if (Selectable)
{
await SelectedKeyChanged.InvokeAsync(key);
}
}
}